Question about Stihl Blower Handle Moulding Bg Sh 45 55 Bg55 Sh55

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Will start with chock on but wont stay running with it off

I can't get carb to pull up gas with filter on will start with chock on but wont stay running with chock off

Posted by Anonymous on


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The idle jet or the float valve is blocked
you need to strip the carb and unscrew the jets and clean them
i use small interdental brushes ...

Posted on Dec 04, 2014


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Posted on Jan 02, 2017


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I had to run full chock to get it back to the house before it shut down, what cuase this?

I'm sure you have dirt in your carb. If you know how to take the carb apart......You need to get a can of carb cleaner and carb kit. Take the carb apart and spray every hole and nook a crany you can see. Put the new kit in the carb and you should be ready to go!! This has happened to several times.

Feb 28, 2015 | Cub Cadet Garden

1 Answer

I have a presser washer Coleman power mate motor. The intake value was stuck. I pulled the head and cleaned the old gas off that had stuck the value open. It runs now but only on half chock. It runs great...

Sounds like the carb needs to be adjusted by someone that knows how to repair engines. Note: if the carb is set too lean, it will damage the engine.

Jun 07, 2014 | Electrical Supplies

1 Answer

Echo ppf-210 power pruner will not stay running? I have changed the plug, rebuilt the whole carb, new gas, etc. Still will not stay running? It will idle a small bit and as I pull the throttle I get no...

check the fuel filter to see if its dirty or not under fuel . also you will have to re-tune the carb . or check for compression in the engine it should be at 120 or above you may also want to change the plug

Sep 26, 2013 | Echo POWER PRUNER

1 Answer

6.25 190 cc mower wont stay started

your running out the gas in the carb out you need to rebiuld the carburator probably dirt in the carb from bad gas

Jul 22, 2012 | Briggs & Stratton Lawn-Boy Insight Series...

1 Answer

The trimmer starts fine, but wont stay at high speed runs for a while then shuts off

Before pulling the carb apart, drain the fuel fit a new filter in the fuel tank, check the fuel hoses up to the carb for splits, cracks or leakage, replace if required.

Jun 23, 2012 | Ryobi 2-Cycle 26 cc Curved Shaft Gas...

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Cockpit valve hoses needed replacing and gas tank filter done as well. the motor turns over and starts but idles off and if chocke is pulled out only now it will stay non with the throtle open only if...

Your problem sounds more like it's in the carburetor rather than in the petcock. If the petcock were bad, the carburetor would not be getting any fuel at all. It sounds like the slow speed jet in your carb or the small passageways in the carb are plugged up. They can only be cleaned by soaking the carb in a solution of professional grade carb cleaner after complete disassembly of the carb. The choke retracting on it own is not uncommon. There is an adjustment on the backside of where the cable is mounted to the bike just on the backside of the bracket. Tighten the thumb nut up to put more pressure on the choke cable. But, if the cable has ever been lubricated, this may not help much.

Good Luck

Aug 01, 2011 | Harley Davidson XLH Sportster 883...

1 Answer

Wont run

sticky choke maybe, try carb cleaner, check the air-cleaner filter,depending on were you live, maybe some dry gas.from the symtom's sounds like it's chocking out,those are the easy cheap thing's first, now check the fuel filter, then the fue pump, prividing your getting good spark to fire up the fuel,good luck

Dec 21, 2009 | 1989 Jeep Comanche

1 Answer

Have a 04 yamaha big bear 400. hard to start wont stay running unless chock is on spits and sputters and ocacionaly back fires. when try to throttle it it boggs through intake.

I have an 01, and it started doing this. I don't remember the circumstances. It's just dirty in the carb I think.

1) Check for water in the gas.
2) Turn off the petcock and drain the carb. turn it back on.
3) Try it.
4) Start it with the choke on and put your hand over the air filter hole. Will cause some back flow.
5) Try again.

Worked for me. Might be dirtier on yours, or have mud in it or something.

Nov 08, 2009 | 2003 Yamaha XJR 400 R

1 Answer

Poulan 18' model 2000 chain saw, quit running , will not start.

If you have a compression gauge, check the compression. Anything under 90psi is too low.

Check your flywheel key. If it is broken the flywheel will move and not fire at the correct time.

Note: if it does not sputter with carb cleaner then it's not your carb.

Remove your exhaust manifold. Look into the cylinder with a flash light. You are looking for scratches. Anything larger then a light fingernail is definite proof you need a new cylinder/piston assy.

If it passes that test do the following:

Pour mixed fuel straight into your cylinder until 1/4 full. Slowly pull your saw over while looking into the cylinder. If you see bubbles after the ring/rings go by then you need a new cylinder/piston assy. On rare occasions if no scratches are present on the cylinder wall or piston, you may be able to change just the rings.

Mar 31, 2009 | Poulan Pro Chain Saw 46cc 20"

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